chrome/browser/ui/gtk/panels/panel_titlebar_gtk.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_GTK_PANELS_PANEL_TITLEBAR_GTK_H_
   6 #define CHROME_BROWSER_UI_GTK_PANELS_PANEL_TITLEBAR_GTK_H_
   7
   8 #include <gtk/gtk.h>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "chrome/browser/ui/gtk/titlebar_throb_animation.h"
  13 #include "chrome/browser/ui/panels/panel_constants.h"
  14 #include "ui/base/gtk/gtk_signal.h"
  15 #include "ui/gfx/skia_util.h"
  16
  17 class CustomDrawButton;
  18 class PanelGtk;
  19
  20 namespace content {
  21 class WebContents;
  22 }
  23
  24 class PanelTitlebarGtk {
  25  public:
  26   explicit PanelTitlebarGtk(PanelGtk* panel_gtk);
  27   virtual ~PanelTitlebarGtk();
  28
  29   void UpdateTextColor();
  30   void UpdateMinimizeRestoreButtonVisibility();
  31
  32   // When a panel appears in the same position as the one of the panel being
  33   // closed and the cursor stays in the close button, the close button appears
  34   // not to be clickable. This is because neither "enter-notify-event" nor
  35   // "clicked" event for the new panel gets fired if the mouse does not move.
  36   // This creates a bad experience when a user has multiple panels of the same
  37   // size (which is typical) and tries closing them all by repeatedly clicking
  38   // in the same place on the screen.
  39   //
  40   // Opened a gtk bug for this -
  41   //   https://bugzilla.gnome.org/show_bug.cgi?id=667841
  42   void SendEnterNotifyToCloseButtonIfUnderMouse();
  43
  44   void Init();
  45   void UpdateTitleAndIcon();
  46   void UpdateThrobber(content::WebContents* web_contents);
  47   GtkWidget* widget() const;
  48
  49  private:
  50   friend class GtkNativePanelTesting;
  51
  52   void BuildButtons();
  53   CustomDrawButton* CreateButton(panel::TitlebarButtonType button_type);
  54   void GetButtonResources(panel::TitlebarButtonType button_type,
  55                           int* normal_image_id,
  56                           int* pressed_image_id,
  57                           int* hover_image_id,
  58                           int* tooltip_id) const;
  59   GtkWidget* GetButtonHBox();
  60
  61   // Callback for minimize/restore/close buttons.
  62   CHROMEGTK_CALLBACK_0(PanelTitlebarGtk, void, OnButtonClicked);
  63
  64   CustomDrawButton* close_button() const { return close_button_.get(); }
  65   CustomDrawButton* minimize_button() const { return minimize_button_.get(); }
  66   CustomDrawButton* restore_button() const { return restore_button_.get(); }
  67
  68   SkColor GetTextColor() const;
  69
  70   // Pointers to the native panel window that owns us and its GtkWindow.
  71   PanelGtk* panel_gtk_;
  72
  73   // The container widget the holds the hbox which contains the whole titlebar.
  74   GtkWidget* container_;
  75
  76   // VBoxes that holds the minimize/restore/close buttons box.
  77   GtkWidget* titlebar_right_buttons_vbox_;
  78
  79   // HBoxes that contains the actual min/max/close buttons.
  80   GtkWidget* titlebar_right_buttons_hbox_;
  81
  82   // The icon and page title.
  83   GtkWidget* icon_;
  84   GtkWidget* title_;
  85
  86   // The buttons.
  87   scoped_ptr<CustomDrawButton> close_button_;
  88   scoped_ptr<CustomDrawButton> minimize_button_;
  89   scoped_ptr<CustomDrawButton> restore_button_;
  90
  91   TitlebarThrobAnimation throbber_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(PanelTitlebarGtk);
  94 };
  95
  96 #endif  // CHROME_BROWSER_UI_GTK_PANELS_PANEL_TITLEBAR_GTK_H_